[binutils-gdb] Include traits.h in function-view.h

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5ed455efd8476ce4f70266d5797ef9f3eb1e8919

commit 5ed455efd8476ce4f70266d5797ef9f3eb1e8919
Author: Tom Tromey <[email protected]>
Date:   Wed Apr 29 12:34:13 2026 -0600

    Include traits.h in function-view.h
    
    function-view.h uses gdb::Or but does not include gdbsupport/traits.h.
    This patch corrects the oversight.

Diff:
---
 gdbsupport/function-view.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gdbsupport/function-view.h b/gdbsupport/function-view.h
index a5beedf41e8..5a73f9e948e 100644
--- a/gdbsupport/function-view.h
+++ b/gdbsupport/function-view.h
@@ -193,6 +193,8 @@
   unittests/function-view-selftests.c.  */
 
 #include <type_traits>
+#include "gdbsupport/traits.h"
+
 namespace gdb {
 
 namespace fv_detail {